/* =========================================================
   Energie und Komfort - JS-abhängige Reststyles
   Layout & Optik: Tailwind-Utilities in assets/css/app.css (Build: ../site-build; Doku: ../docs),
   diese Datei ergänzt Formular, Navigation und Cookie-Banner.
   ========================================================= */

/* Focus outline Basis */
*:focus-visible {
  outline: 2px solid #004c70;
  outline-offset: 2px;
  border-radius: 4px;
}

/* ----------------------------------
   Mobile Hamburger Toggle (nur < md)
   Sonst überschreibt display:inline-flex die Tailwind-Klasse md:hidden,
   weil styles.css nach app.css geladen wird (gleiche Spezifität).
   ---------------------------------- */
@media (max-width: 767.98px) {
  /* Balken fest positioniert (22px Höhe, 3×3px, je 6,5px Zwischenraum). Offen per aria-expanded alle in der Mittelachse nur rotieren → sauberes X */
  .mobile-menu-toggle {
    display: inline-block;
    vertical-align: middle;
    position: relative;
    width: 32px;
    height: 22px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    box-sizing: content-box;
  }
  .mobile-menu-toggle span {
    position: absolute;
    left: 0;
    right: 0;
    width: 100%;
    height: 3px;
    background: #004c70;
    border-radius: 2px;
    transform-origin: center;
    transition: transform 0.3s ease, opacity 0.25s ease, top 0.3s ease;
  }
  .mobile-menu-toggle span:nth-child(1) {
    top: 0;
  }
  .mobile-menu-toggle span:nth-child(2) {
    top: 9.5px;
  }
  .mobile-menu-toggle span:nth-child(3) {
    top: 19px;
  }

  .mobile-menu-toggle[aria-expanded="true"] span:nth-child(1),
  .mobile-menu-toggle[aria-expanded="true"] span:nth-child(2),
  .mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    top: 9.5px;
  }
  .mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg);
  }
  .mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  .mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg);
  }

  .mobile-menu-toggle:not([aria-expanded="true"]) span:nth-child(1),
  .mobile-menu-toggle:not([aria-expanded="true"]) span:nth-child(3) {
    transform: none;
  }
  .mobile-menu-toggle:not([aria-expanded="true"]) span:nth-child(2) {
    opacity: 1;
    transform: none;
  }
}

/* ----------------------------------
   Main Navigation (Mobile / Desktop)
   Overlay-Stile nur unter md (768px), damit .open nach Resize
   nicht die Desktop-Zeile überdeckt (Spezifität .main-nav.open).
   ---------------------------------- */
@media (max-width: 767.98px) {
  .main-nav {
    display: none;
  }
  .main-nav.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 1.25rem;
    padding: 1.5rem;
    background: #ffffff;
    box-shadow: 0 12px 24px rgba(0, 76, 112, 0.15);
    border-top: 1px solid rgba(15, 29, 37, 0.06);
  }
  .main-nav.open .nav-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .main-nav.open .nav-list li a {
    display: block;
    padding: 0.75rem 0.25rem;
    border-bottom: 1px solid rgba(15, 29, 37, 0.08);
  }
  .main-nav.open .nav-cta {
    display: inline-block;
    text-align: center;
    margin-top: 0.5rem;
  }
}

@media (min-width: 768px) {
  .main-nav {
    display: flex !important;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    padding: 0;
    background: transparent;
    box-shadow: none;
    border: 0;
  }
  .nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }
}

/* ----------------------------------
   Cookie Banner (JS steuert .show)
   ---------------------------------- */
.cookie-banner {
  transform: translateY(120%);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.4s ease, opacity 0.4s ease, visibility 0s linear 0.4s;
}
.cookie-banner.show {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  transition: transform 0.4s ease, opacity 0.4s ease, visibility 0s linear 0s;
}

/* ----------------------------------
   Contact Form: Fehler- und Statusstyles
   ---------------------------------- */
.form-group input.error,
.form-group textarea.error {
  border-color: #dc2626 !important;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.error-message {
  color: #dc2626;
  font-size: 0.75rem;
  margin-top: 0.35rem;
  display: block;
  min-height: 1em;
}
.error-message:empty {
  display: none;
}

.form-message {
  display: none;
  padding: 0.85rem 1rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5;
  margin-top: 0.5rem;
}
.form-message:not(:empty) {
  display: block;
}
.form-message-success {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #86efac;
}
.form-message-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

/* ----------------------------------
   Reduzierte Bewegung
   ---------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}